Come one, come all. See an electron gun demonstration, watch what happens when atmospheric pressure drops in a vacuum chamber ...

The term “vacuum” means many different things depending whether you are working on space equipment, scientific instruments, or even internal combustion engines. In our sphere it is so often used as a ...

Which will hit the ground first when you drop them together from the same height: a bowling ball, or a feather? Now suck out all the air in the room, and turn on a high-speed camera and watch the ...